| Acronym | Meaning |
| EPEN | Empirical Potential (based On Interaction Of) Electrons (and) Nuclei |
| THEL | Tactical High Energy Laser |
| QECISDTQ | Quadratic Size-extensive CISDTQ |
| SWFM | Scanning Work Function Microscopy |
| CEPH | Centre D'Etudes Du Polymorphisme Humain |
| RKKY | Ruderman-Kittel-Kasuya-Yoshida (indirect Electron Exchange Mechanism) |
| HID | High Interstitial Defect |
| SANS | Small-angle Neutron Scattering |
| CCSA | Classical Cintrifugal-sudden Approxn. |
| NC-IUBMB | Nomenclature Committee Of The International Union Of Biochemistry And Molecular Biology |